Sons Of Liberty Gun Works M4-EXO3 5.56 AR-15 Barreled Upper Receiver Group - 13.7"

Sons Of Liberty Gun Works M4-EXO3 5.56 AR-15 Barreled Upper Receiver Group - 13.7" If you're searching for a quality upper receiver that provides superior performance with more features you'll expect to see for the price, Sons Of Liberty Gun Works offers the M4-EXO3 upper with a 13.7-inch barrel chambered to handle a 5.56 NATO round. The M4-EXO3 is SOLGW's latest entry-level upper receiver, designed to provide minimal maintenance and exemplary performance for years. Features Barrel: 13.7" Caliber: 5.56 NATO Barrel Material: 4150 Chrome Moly Vanadium TPI: 1/2x28 Barrel Finish: QPQ Corrosion Resistant Anodized: Type III Class 2 *Does not include BCG or Charging Handle* This M4-EXO3 receiver is a third-generation AR-15 upper receiver from SOLGW, part of their field-tested EXO series of upper receivers and rifles. When you need an upper receiver that can handle dynamic environments and still perform, the M4-EXO3 upper from Sons Of Liberty Gun Works features a 4150 Chrome Moly Vanadium barrel that's been pressure- and heat-treated. With an M4-EXO3 from SOLGW, you'll get dependable performance during the lifetime of the upper. The entire upper features a QPQ corrosion-resistant finish, and the M4 feed ramp extension is coated with QPQ. Undoubtedly one of the better upper receivers on the market today, the M4-EXO3 is built for steady, reliable performance, whether used for hunting, competitive matches, or home defense.